T-5 HO Fixtures are often considered the most advanced fluorescent lighting system available. These fixtures employ bulbs only 5/8" in diameter. The thin T-5 fluorescent bulbs produce light almost twice as bright as standard fluorescent bulbs. Choose from our selection of brand name T-5 HO fixtures and discover w...
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T-5 HO Fixtures are often considered the most advanced fluorescent lighting system available. These fixtures employ bulbs only 5/8" in diameter. The thin T-5 fluorescent bulbs produce light almost twice as bright as standard fluorescent bulbs. Choose from our selection of brand name T-5 HO fixtures and discover why the energy-efficient light fixtures are so popular among aquarium hobbyists.

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Thank you for your questions. Yes, T10 indicates the diameter of the bulb. I am sorry to say, but no a T8 won't work. If you have any more questions please feel free to contact our Customer Service Department at 1-800-443-1160. You can also email them at CustomerService@FosterAndSmithAquatics.com.

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I have a Hagan Glo T5 HO Light hood and when I tried to replace the bulbs(hood has two) I simply twisted the bulb counter clockwise and it released. However, one will not come out. Is something possibly wrong with the socket or is there a different way to remove it? It appears to have a black ring around the end where the prongs are that doesn't allow it to slide out.

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Thank you for your question. Clams require high amounts of light. We recommend 6 to 8 watts per gallon. We do not sell any T-5 fixtures that provide this much light. We suggest using metal halides. cjm

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Thank you for your question. We sincerely apologize; unfortunately, it is not recommend to place the T-5 light fixtures flat on the glass canopies. It is recommended to use these lights with the mounting brackets or legs that are included with the fixtures.

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